organizational issues

organizational issues

Letter from Stefan Żółkiewski written in 25.11.1967

Letter from Irena Sławińska written 17.11.1968

Letter from Stefan Żółkiewski written in 07.07.1967

Letter from Juliusz Kleiner written 11.09.1945

Letter to Kazimierz Twardowski written 20.07.1922

Letter to Kazimierz Twardowski written 08.09.1921

Letter to Kazimierz Twardowski written 08.03.1930

Letter to the Committee of the Library of Classics of Philosophy written n/d

Letter from Stefan Żółkiewski written in 15.03.1968

Letter to the National Scientific Publishers written 30.03.1963

Letter to Władysław Tatarkiewicz written 17.09.1956

Letter from Anna Teresa Tymieniecka written 30.09.1968